433641 has 8 divisors (see below), whose sum is σ = 622720. Its totient is φ = 266832.

The previous prime is 433639. The next prime is 433651. The reversal of 433641 is 146334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 433641 - 2¹ = 433639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5521 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (77840).

2⁴³³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

433641 is a deficient number, since it is larger than the sum of its proper divisors (189079).

433641 is a wasteful number, since it uses less digits than its factorization.

433641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135.

The product of its digits is 864, while the sum is 21.

The square root of 433641 is about 658.5142367482. The cubic root of 433641 is about 75.6908610510.

Adding to 433641 its reverse (146334), we get a palindrome (579975).

It can be divided in two parts, 43364 and 1, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 433641 in words is "four hundred thirty-three thousand, six hundred forty-one".